lunar_wave/README.md

LunarWaveVM is a Lua 5.4 virtual machine written in Rust.

luac5.4 -o - test_vectors/fizz_buzz.lua | cargo run -- --pipe-bytecode

1
2
3       Fizz
4
5       Buzz
6       Fizz
7

...
44
45      FizzBuzz
46
47
48      Fizz
49
50      Buzz

Roadmap

• Loading simple pre-compiled bytecode programs
• Hash tables
• Fizzbuzz
• Closures
• Error handling
• Garbage collection
• Long strings
• Using arrays internally for tables
• Compiling Lua source code to bytecode

Benchmark

9x slower than PUC Lua, 90x slower than LuaJIT.

Based only on the n-body simulation from the computer language benchmarks, because it's easy to run.

time target/release/lunar_wave_vm --script test_vectors/n_body.lua -- 500000; time lua test_vectors/n_body.lua 500000; time luajit test_vectors/n_body.lua 500000;
-0.169075164
-0.169096567
[src/main.rs:110] x = []

real	0m10.543s
user	0m10.535s
sys	0m0.000s
-0.169075164
-0.169096567

real	0m1.173s
user	0m1.165s
sys	0m0.004s
-0.169075164
-0.169096567

real	0m0.117s
user	0m0.116s
sys	0m0.000s